Appendix B: Specifications

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Autoloader vibration specifications

Operating

Swept Sine Vibration

5–500 Hz, 0.25 G, 0.254 mm (0.01 in.) to smooth crossover,

 

1 8ve/min, (X, Y, Z) axes

 

 

Random Vibration

0.25 Grms, 5–500 Hz (X, Y, Z) axes

 

 

Non-Operating

 

 

 

Swept Sine Vibration

5–500 Hz, 0.75 G, 0.52 mm (0.02 in.) to smooth crossover,

 

1 8ve/min, (X, Y, Z) axes

 

 

Random Vibration

1.06 Grms, 5–500 Hz (X, Y, Z) axes

 

 

Autoloader shock specifications

Operating

3 G, 5 ms half-sine, 3 pulses (+/-) per axis, X, Y, Z

 

 

Non-Operating

20 G, 8 ms half-sine, 3 shocks (+/-) per axis, X, Y, Z

 

 

Tape drive specifications

LTO-3 drive specifications

Description

LTO-3

 

 

Read/write transfer rate: maximum sustained (LTO Ultrium

Noncompressed: 245 GB/hr.

3 media)

Compressed (2:1 typical): 490 GB/hr.

 

 

Burst transfer rate

160 MB/s

 

 

Average access time

58 seconds (from BOT)

 

 

Loading time to BOT (for previously written tape)

< 75 seconds

 

 

Unloading time from BOT

< 30 seconds

 

 

MCBF

> 400,000 cycles at 100% duty cycle

 

 

Interface type

Ultra 160 SCSI-3 LVD

 

Ultra 320 SCSI-3 LVD

 

 

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